Greatest Common Factor of 12, 42, 71, 940

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 12, 42, 71, 940 by common division method
• Greatest Common Factor of 12, 42, 71, 940 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 940

List of positive integer factors of 940 that divides 940 without a remainder.

1,2,4,5,10,20,47,94,188,235,470,940

Greatest Common Factor

We found the factors 12,42,71,940 . The biggest common factor number is the GCF number.
So the greatest common factor 12,42,71,940 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 43, 42, 33, 657
• GCF of 54, 79, 81, 128
• GCF of 70, 30, 30, 934
• GCF of 70, 10, 85, 223
• GCF of 96, 52, 92, 642

1. What is the GCF of 12, 42, 71, 940?

Answer: GCF of 12, 42, 71, 940 is 1.

2. How to Find the GCF of 12, 42, 71, 940

Answer: Greatest Common Factor(GCF) of 12, 42, 71, 940 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(12, 42, 71, 940) = 1.